<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        // function Car(name,price,size) {
        //     this.name=name;
        //     this.price=price;
        //     this.size=size;
        // }
        // var benc=new Car('benc','40w','big');
        // console.log(benc);
        // var audi=new Car('30w','audi','small');
        // console.log(audi);

        function Car(obj) {
            this.name=obj.name;
            this.price=obj.price;
            this.size=obj.size;
        }
        var audi=new Car({size:'small',name:'audi',price:'30w'});
        console.log(audi);
    </script>
</body>
</html>